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Problem set. NEERC Regionals


IDTitleSourceAuthorsDifficulty

1053PinocchioNEERC 2000 Central Subregional4392334

1054Tower of HanoiNEERC 2000 Central Subregional2282642

1055CombinationsNEERC 2000 Central Subregional3553413

1056Centers of the NetNEERC 2000 Central Subregional2693544

1057Amount of DegreesNEERC 2000 Central Subregional2052714

1058ChocolateNEERC 2000 Central Subregional5182780

1059ExpressionNEERC 2000 Central Subregional2211663

1133Fibonacci SequenceNEERC 2001 Central Subregional2190222

1134CardsNEERC 2001 Central Subregional2509194

1135RecruitsNEERC 2001 Central Subregional3028161

1136ParliamentNEERC 2001 Central Subregional493199

1137Bus RoutesNEERC 2001 Central Subregional1476329

1138Integer PercentageNEERC 2001 Central Subregional2428200

1139City BlocksNEERC 2001 Central Subregional634077

1140Swamp IncidentNEERC 2001 Central Subregional1293375

1158Censored!NEERC 2001 Northern Subregional964502

1159FenceNEERC 2001 Northern Subregional643749

1160NetworkNEERC 2001 Northern Subregional3007164

1161StripiesNEERC 2001 Northern Subregional537691

1162Currency ExchangeNEERC 2001 Northern Subregional2121230

1163ChapaevNEERC 2001 Northern Subregional1044290

1164FillwordNEERC 2001 Northern Subregional2397203

1165SubnumberNEERC 2001 Northern Subregional525914

1166Funny Card GameNEERC 2001 Northern Subregional1333503

1224SpiralNEERC 2002 Central Subregional749266

1225FlagsNEERC 2002 Central Subregional1394335

1226esreveR redrONEERC 2002 Central Subregional4392112

1227Rally ChampionshipNEERC 2002 Central Subregional1642300

1228ArrayNEERC 2002 Central Subregional4629107

1229Strong BrickworkNEERC 2002 Central Subregional1297379

1230Introspective ProgramNEERC 2002 Central Subregional645756

1231Turing: One, Two, Three, …NEERC 2002 Central Subregional2222133

1232Asteroid LandingNEERC 2002 Central Subregional2022335

1274Fractional ArithmeticNEERC 2003 Central Subregional710696

1275Knights of the Round TableNEERC 2003 Central Subregional1992398

1276TrainNEERC 2003 Central Subregional675732

1277Cops and ThievesNEERC 2003 Central Subregional626788

1278“… Connecting People”NEERC 2003 Central Subregional501981

1279WarehouseNEERC 2003 Central Subregional1182421

1280Topological SortingNEERC 2003 Central Subregional3514142

1281River BasinNEERC 2003 Central Subregional3491396

1282Game TreeNEERC 2003 Central Subregional1482336

1500Pass LicensesNEERC 2006 Eastern Subregional734634

1501Sense of BeautyNEERC 2006 Eastern Subregional1776264

1502Domino DotsNEERC 2006 Eastern Subregional643173

1503PolynomialNEERC 2006 Eastern Subregional2601747

1504Good MannersNEERC 2006 Eastern Subregional2022225

1505Oil TransferNEERC 2006 Eastern Subregional1532894

1506Columns of NumbersNEERC 2006 Eastern Subregional3337141

1507Difficult DecisionNEERC 2006 Eastern Subregional1060441

1508Japanese PuzzleNEERC 2006 Eastern Subregional2771643

1509Domino RecognitionNEERC 2006 Eastern Subregional1253494

1510OrderNEERC 2006 Eastern Subregional544187

1582BookmakersNEERC 2007 Eastern Subregional3631120

1583CheeseNEERC 2007 Eastern Subregional2221883

1584Pharaohs’ SecretsNEERC 2007 Eastern Subregional3161340

1585PenguinsNEERC 2007 Eastern Subregional1150538

1586Threeprime NumbersNEERC 2007 Eastern Subregional3022144

1587Flying PigNEERC 2007 Eastern Subregional534803

1588JamaicaNEERC 2007 Eastern Subregional1348322

1589SokobanNEERC 2007 Eastern Subregional1418203

1590Bacon’s CipherNEERC 2007 Eastern Subregional2289190

1591Abstract ThinkingNEERC 2007 Eastern Subregional4041055

1592Chinese WatchesNEERC 2007 Eastern Subregional718600

1649Abstractionism to the PeopleNEERC 2008 Eastern Subregional486957

1650BillionairesNEERC 2008 Eastern Subregional1876214

1651Shortest SubchainNEERC 2008 Eastern Subregional1159345

1652Banking CrisisNEERC 2008 Eastern Subregional1392708

1653Death ConveyorNEERC 2008 Eastern Subregional506725

1654Cipher MessageNEERC 2008 Eastern Subregional689558

1655Somali PiratesNEERC 2008 Eastern Subregional2071859

1656Far Away Kingdom's ArmyNEERC 2008 Eastern Subregional1992202

1657Cube SnakeNEERC 2008 Eastern Subregional2591500

1658Sum of DigitsNEERC 2008 Eastern Subregional2034197

1659Regular TrianglesNEERC 2008 Eastern Subregional619641

1711Code NamesNEERC 2009 Eastern Subregional2879130

1712Cipher GrilleNEERC 2009 Eastern Subregional451483

1713Key SubstringsNEERC 2009 Eastern Subregional597617

1714Mnemonics and Palindromes 2NEERC 2009 Eastern Subregional1103119

1715Another Ball KillerNEERC 2009 Eastern Subregional365998

1716Alternative SolutionNEERC 2009 Eastern Subregional485756

1717Eligibility RulesNEERC 2009 Eastern Subregional1642151

1718RejudgeNEERC 2009 Eastern Subregional1242299

1719Kill the Shaitan-BossNEERC 2009 Eastern Subregional2411491

1720Summit Online JudgeNEERC 2009 Eastern Subregional374975

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional649568

1800Murphy's LawNEERC 2010 Eastern Subregional2027168

1801The Revolution CupNEERC 2010 Eastern Subregional525531

1802Cube PuzzleNEERC 2010 Eastern Subregional1572053

1803The Czechs' RiflesNEERC 2010 Eastern Subregional465722

1804The Machinegunners in a PlayoffNEERC 2010 Eastern Subregional864392

1805Chapaev and a Cipher GrilleNEERC 2010 Eastern Subregional343971

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1505226

1807Cartridges for MaximNEERC 2010 Eastern Subregional2311423

1808Chapaev at the Planet OceanNEERC 2010 Eastern Subregional1711894

1809Chapaev and PotatoesNEERC 2010 Eastern Subregional585576

1885Passenger ComfortNEERC 2011 Eastern Subregional1597196

1886Trip 2NEERC 2011 Eastern Subregional1442043

1887Frequent Flyer CardNEERC 2011 Eastern Subregional2921042

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional698444

1889Airport AnnouncementsNEERC 2011 Eastern Subregional1069292

1890Money out of Thin AirNEERC 2011 Eastern Subregional694447

1891Language OceanNEERC 2011 Eastern Subregional457674

1892Morning in KoltsovoNEERC 2011 Eastern Subregional356860

1893A380NEERC 2011 Eastern Subregional549957

1894Non-Flying WeatherNEERC 2011 Eastern Subregional1991505

1895Steaks on BoardNEERC 2011 Eastern Subregional1402097

1910Titan Ruins: Hidden EntranceNEERC 2012 Eastern Subregional876433

1911Titan Ruins: Overtaking FireNEERC 2012 Eastern Subregional554430

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2281210

1913Titan Ruins: Alignment of ForcesNEERC 2012 Eastern Subregional1491811

1914Titan Ruins: Serial ControlNEERC 2012 Eastern Subregional574298

1915Titan Ruins: Reconstruction of BygonesNEERC 2012 Eastern Subregional1368209

1916Titan Ruins: Waiting for StabilityNEERC 2012 Eastern Subregional803200

1917Titan Ruins: Deadly AccuracyNEERC 2012 Eastern Subregional1267225

1918Titan Ruins: Artful ManipulationsNEERC 2012 Eastern Subregional309903

1919Titan Ruins: Transformation of CylindersNEERC 2012 Eastern Subregional1342000

1920Titan Ruins: the Infinite Power of MagicNEERC 2012 Eastern Subregional406692

1990PodracingNEERC 2013 Eastern Subregional2491009

1991The battle near the swampNEERC 2013 Eastern Subregional575045

1992CVSNEERC 2013 Eastern Subregional694371

1993This cheeseburger you don't needNEERC 2013 Eastern Subregional1347193

1994The Emperor's planNEERC 2013 Eastern Subregional2471017

1995Illegal spicesNEERC 2013 Eastern Subregional444576

1996Cipher Message 3NEERC 2013 Eastern Subregional2091193

1997Those are not the droids you're looking forNEERC 2013 Eastern Subregional487526

1998The old PadawanNEERC 2013 Eastern Subregional735351

1999The secret moduleNEERC 2013 Eastern Subregional296699

2012About Grisha N.NEERC 2014 Eastern Subregional1456216

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional251908

2014Zhenya moves from parentsNEERC 2014 Eastern Subregional444522

2015Zhenya moves from the dormitoryNEERC 2014 Eastern Subregional818286

2016Magic and ScienceNEERC 2014 Eastern Subregional188462

2017Best of a bad lotNEERC 2014 Eastern Subregional1731295

2018The Debut AlbumNEERC 2014 Eastern Subregional2337101

2019Pair: normal and paranormalNEERC 2014 Eastern Subregional864271

2020Traffic Jam in Flower TownNEERC 2014 Eastern Subregional1592148

2021Scarily interesting!NEERC 2014 Eastern Subregional547425

2022Riding a ToadNEERC 2014 Eastern Subregional573537

2023Donald is a postmanNEERC 2014 Eastern Subregional637037

2074Timus problems classifierQualification of Eastern Subregional 2015205947

2075Take care of your eyebrows!Qualification of Eastern Subregional 2015642753

2076VasianaQualification of Eastern Subregional 2015167835

2077ReductionsQualification of Eastern Subregional 2015187275